Although there is archeological evidence and historical writings about olive oil in the ancient world, the popularity, demand, and production of olive oil as we know it today has a very recent history. The designation of Extra Virgin did not occur until 1960, which was the beginning of the modern era for olive oil. Prof. Carl Ipsen from Indiana University, who recently won the Sophie Coe award for writing in food history, shares his research and insights on this episode all about olive oil.